9 Is a ball and socket like joint but doesn’t function so. Elbow joint, continuedHumeroradial joint:Is a ball and socket like joint but doesn’tfunction so.Humeroulnar is a hinge joint*Joints between radius and ulna:A- Proximal radioulnar joint is a pivot jointB- Inerosseous membrane between radius and ulna(continuous fibrous joint)C- Distal Radioulnar joint: Pivot jointBetween head of Ulna and ulnar notch of Radius7- Inferior recessus sacciformisProximal and distal radioulnar joints are necessarilycombined joints to permit pronation and supination